Standard No.:	GB/T 223.39-1994
English Name:	Methods for chemical analysis iron,steel and alloy The sulphochlorophenol S photometric method for the determination of niobium content
Chinese Name:	钢铁及合金化学分析方法 氯横酚S光度法测定铌量
Chinese Classification:	H11    Steel and iron alloy analysis method
Professional Classification:	GB    National Standard
Issued by:	CSBTS
Issued on:	1994-09-26
Implemented on:	1995-6-1
Status:	superseded
Superseded by:	GB/T 223.40-2007 Iron, Steel and Alloy - Determination of Niobium Content by the Sulphochlorophenol S Spectrophotometric Method
Superseded on:	2007-10-1
Superseding:	GB 223.39-1985 Methods for chemical analysis of iron, steel and alloy--The sulphochlorophenol S photometric method for the determination of niobium content GB/T 223.39-1985 Methods for chemical analysis of iron steel and alloy--The sulphochlorophenol S photometric method for the determination of niobium content
Language:	English
File Format:	PDF
Word Count:	2000 words
Price(USD):	184.00
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本标准规定了用氯磺酚S光度法测定铌量。本标准适用于碳钢、低合金钢中铌量的测定。测定范围：0.010%～0.50%。